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Molecular Mechanism of pH Regulation: From Physiology to Pathology 2.0

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 543

Special Issue Editor


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Guest Editor
Department of Cell Biology, Emory University School of Medicine, Atlanta, GA 30322, USA
Interests: pH regulation; acid/base disturbance; metabolic acidosis; sodium-bicarbonate transporter; brain acidosis; acidosis in cancer; structure-function of acid/base transporter
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Special Issue Information

Dear Colleagues,

pH is an important biological factor that regulates cell function. Hydrogen ions interact with proteins and change their structure and function, resulting in modified cellular processes. Maintaining a normal pH is frequently challenged under both physiological and pathological conditions. For example, pH decreases when metabolic activity increases during heavy exercise or when blood supply is inefficient in ischemia. Typically, acidification inhibits cellular activity, such that severe acidification is deleterious to normal cells and causes cell death. On the other hand, acidification can be adversely beneficial under some pathological conditions. Cancer cells thrive in acidic microenvironments and undergo adaptations to promote survival and proliferation. The effects of pH abnormalities on physiology and relevant diseases have been studied over the past decades. This Special Issue focuses on the current understanding of pH regulation in various model systems and/or its involvement in diseases. The topic is open to original studies, reviews, and new methodologies, ranging from the molecular and cellular level to integrated organ systems.

You may choose our Joint Special Issue in CIMB.

Dr. Inyeong Choi
Guest Editor

Manuscript Submission Information

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Keywords

  • pH regulation
  • acid base transporter
  • acid base disturbance
  • acidosis
  • intracellular pH
  • NBC
  • NHE
  • cancer

Published Papers (1 paper)

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Review

16 pages, 1365 KiB  
Review
Chloride/Multiple Anion Exchanger SLC26A Family: Systemic Roles of SLC26A4 in Various Organs
by Dongun Lee and Jeong Hee Hong
Int. J. Mol. Sci. 2024, 25(8), 4190; https://doi.org/10.3390/ijms25084190 - 10 Apr 2024
Viewed by 318
Abstract
Solute carrier family 26 member 4 (SLC26A4) is a member of the SLC26A transporter family and is expressed in various tissues, including the airway epithelium, kidney, thyroid, and tumors. It transports various ions, including bicarbonate, chloride, iodine, and oxalate. As a multiple-ion transporter, [...] Read more.
Solute carrier family 26 member 4 (SLC26A4) is a member of the SLC26A transporter family and is expressed in various tissues, including the airway epithelium, kidney, thyroid, and tumors. It transports various ions, including bicarbonate, chloride, iodine, and oxalate. As a multiple-ion transporter, SLC26A4 is involved in the maintenance of hearing function, renal function, blood pressure, and hormone and pH regulation. In this review, we have summarized the various functions of SLC26A4 in multiple tissues and organs. Moreover, the relationships between SLC26A4 and other channels, such as cystic fibrosis transmembrane conductance regulator, epithelial sodium channel, and sodium chloride cotransporter, are highlighted. Although the modulation of SLC26A4 is critical for recovery from malfunctions of various organs, development of specific inducers or agonists of SLC26A4 remains challenging. This review contributes to providing a better understanding of the role of SLC26A4 and development of therapeutic approaches for the SLC26A4-associated hearing loss and SLC26A4-related dysfunction of various organs. Full article
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